Steven buys a pair of scissors instead of getting a haircut. he believes the scissors will last for a long time, while the haircut will only last a few weeks. in this case, scissors is a good, while the haircut is a service. why is a haircut considered a service here?

Adds up the money earned by producers plus taxes paid to the goverment. a) income approach b) product approach c) expenditure approach

After the 2008 recession, the amount of reserves in the us banking system increased. because of federal reserve actions, required reserves increased from $44 billion to $60 billion. however, banks started holding more reserves than required. by january 2009, banks were holding $900 billion in excess reserves. the federal reserve started paying interest on the excess reserves that the banks held. what possible impact will these unused reserves have on the economy?

In terms of the "great wheel of science", statistics are central to the research process (a) only between the hypothesis phase and the observation phase (b) only between the observation phase and the empirical generalization phase (c) only between the theory phase and the hypothesis phase (d) only between the empirical generalization phase and the theory phase